Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e95cb0e8c75d965…

MALICIOUS

PDF

72.2 KB Created: 2021-06-12 19:51:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 512c6e3535c73f2569c1ce997e14c696 SHA-1: ea3a8e53e1eadfff8938e49aa8fbb6f1322ab047 SHA-256: 7e95cb0e8c75d965ff72b84d39111413da285be15726321d1281a1f7f673dfe3
186 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam campaign. The primary link points to a search query for 'ankhiyon ke jharokhon se maine dekha jo saware mp3 song download', indicating a lure for users seeking media content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution through these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9959

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://cructi.ru/pbw?utm_term=ankhiyon+ke+jharokhon+se+maine+dekha+jo+saware+mp3+song+download PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4496816/normal_60397e8fa15fc.pdfIn PDF document text
    • https://buwavazazaradig.weebly.com/uploads/1/3/3/9/133999961/1485244.pdfIn PDF document text
    • https://jubukukovojiri.weebly.com/uploads/1/3/5/3/135306868/xelibalid.pdfIn PDF document text
    • https://xevupuwikuguv.weebly.com/uploads/1/3/0/8/130814145/7dc33.pdfIn PDF document text
    • https://pupisisewovafon.weebly.com/uploads/1/3/4/5/134500239/62fa36a4d.pdfIn PDF document text
    • https://wopusuxosar.weebly.com/uploads/1/3/4/5/134583764/mawabiro_midosuledufo_nokidi_pemej.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417643/normal_5fe2cd901e451.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388271/normal_602e03c4be417.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416789/normal_605ee17a67e63.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387701/normal_602a8d4385fc7.pdfIn PDF document text
    • https://vebovaxuzukikom.weebly.com/uploads/1/3/4/3/134352383/mezet.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4479707/normal_6021486765e42.pdfIn PDF document text
    • https://puzemebakojufem.weebly.com/uploads/1/3/4/2/134234574/xolosumitazefixov.pdfIn PDF document text
    • https://suvojenedixu.weebly.com/uploads/1/3/4/3/134354738/7697996.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481675/normal_5fe721e81d227.pdfIn PDF document text
    • https://sujebufapu.weebly.com/uploads/1/3/1/3/131379792/5a214e39.pdfIn PDF document text
    • https://kodabovoxalomas.weebly.com/uploads/1/3/5/3/135340354/7246106.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zuwofig.pbworks.com/f/movimento_retilineo_uniformemente_variado_experimento.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ae21efca-131c-468b-bf77-9d450bfa1c1a/vifukezazi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d16f6cec-b233-49a7-9d3f-0181ab2ecd54/39404994641.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/01c69899-05c1-42b5-990d-850efbf04a7b/does_newt_die_in_the_maze_runner_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c5be73d4-edfd-4643-8ef3-fe9e19b6b603/74582830563.pdfIn PDF document text
    • http://fokojifidesi.pbworks.com/f/male_map_with_house_names.pdfIn PDF document text
    • http://fadoposapat.pbworks.com/w/file/fetch/144572133/62151998232.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e76f10ae-2e0f-4d71-bfa8-6b052356c026/libro_la_culpa_es_de_la_vaca_3_gratis.pdfIn PDF document text
    • http://mulasamesi.pbworks.com/f/65349453982.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d996.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD996 5860 bytes
SHA-256: b92909bd11de1d03f890fe0e77d47e8008499fb96d9a3e552252a86c88e10955
font_01_sfnt_off0000ed80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED80 10176 bytes
SHA-256: 2740e8dff8f3e1feb4df48f55af58b3faf73ab65ccbf3c78bcd35f2bc0ff4706

Open this report in the interactive analyzer, or submit your own file for analysis.